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docs: clarify JSONB operator descriptions

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No catalog bump as the catalog changes are for SQL operator comments.

Backpatch through 9.5
This commit is contained in:
Bruce Momjian
2015-10-07 09:06:49 -04:00
parent 7e2a18a916
commit b852dc4cbd
3 changed files with 16 additions and 11 deletions
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5
doc/src/sgml/json.sgml
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@ -369,8 +369,9 @@ SELECT '"foo"'::jsonb ? 'foo';
</para>
<para>
The default GIN operator class for <type>jsonb</> supports queries with
the <literal>@&gt;</>, <literal>?</>, <literal>?&amp;</>
and <literal>?|</> operators.
top-level key-exists operators <literal>?</>, <literal>?&amp;</>
and <literal>?|</> operators and path/value-exists operator
<literal>@&gt;</>.
(For details of the semantics that these operators
implement, see <xref linkend="functions-jsonb-op-table">.)
An example of creating an index with this operator class is: